A general contractor is a group or individual that contracts with another organization or individual (the owner) for the construction or renovation of a building, road or other structure. A general contractor is defined as such if it is the signatory as the builder of the prime construction contract for the project. A general contractor is responsible for the means and methods to be used in the construction execution of the project in accordance with the contract documents. Said contract documents usually include the contract agreement including budget, the general and special conditions and the plans and specification of the project that are prepared by a design professional. A general contractor usually is responsible for the supplying of all material, labor, equipment, (engineering vehicles and tools) and services necessary for the construction of the project. To do this it is common for the general contractor to subcontract part of the work to other persons and companies that specialize in these types of work. These are called subcontractors.

General contractors conducting work for government agencies are typically referred to as prime contractors. The responsibilities of a prime contractors working under a contract are essentially identical to those outlined above. In many cases, prime contractors will delegate portions of the contract work to subcontractors.

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